join two json objects with jq

jq-join-objects-example.sh

➜  tmp.QicwwydLd3 cat a.json 
{
        "name": "Cody Kochmann",
        "flags": [
                "engineer",
                "scientist"
        ],
        "stats": {
                "commits": 45
        }
}
➜  tmp.QicwwydLd3 cat b.json 
{
        "name": "Cody Kochmann",
        "id": 38576254,
        "flags": [
                "pilot",
                "scientist"
        ],
        "stats": {
                "commits": 34,
                "merges": 40
        }
}
➜  tmp.QicwwydLd3 jq -s '.[0] * .[1]' a.json b.json
{
  "name": "Cody Kochmann",
  "flags": [
    "pilot",
    "scientist"
  ],
  "stats": {
    "commits": 34,
    "merges": 40
  },
  "id": 38576254
}
➜  tmp.QicwwydLd3 jq -s '.[0] * .[1]' b.json a.json
{
  "name": "Cody Kochmann",
  "id": 38576254,
  "flags": [
    "engineer",
    "scientist"
  ],
  "stats": {
    "commits": 45,
    "merges": 40
  }
}